'data.frame': 504 obs. of 8 variables:
$ actor : int 1 1 1 1 1 1 1 1 1 1 1 1 ...
$ recipient : int NA NA NA NA NA NA NA NA NA NA NA NA ...
$ condition : int 0 0 0 0 0 0 0 0 0 0 0 0 ...
$ block : int 1 1 1 1 1 1 2 2 2 2 2 2 ...
$ trial : int 2 4 6 8 10 12 14 16 18 20 22 24 ...
$ prosoc_left : int 0 0 1 0 1 1 1 1 0 0 0 1 ...
$ chose_prosoc: int 1 0 0 1 1 1 0 0 1 1 0 0 ...
$ pulled_left : int 0 1 0 0 1 1 0 0 0 0 1 0 ...